$ git clone -n https://src.fedoraproject.org/rpms/gnome-epub-thumbnailer.git /var/lib/mock/f40-build-790359-136506/root/chroot_tmpdir/scmroot/gnome-epub-thumbnailer
Cloning into '/var/lib/mock/f40-build-790359-136506/root/chroot_tmpdir/scmroot/gnome-epub-thumbnailer'...
$ git fetch origin e1439308feec3efdd5b3df62ac421b73f1747e7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-epub-thumbnailer
 * [new ref]         e1439308feec3efdd5b3df62ac421b73f1747e7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e143930 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild